# Maintenance Shop

- **MSHA mine ID:** 3609137
- **Status:** Abandoned
- **Type / commodity:** Facility / Coal (Bituminous)
- **Location:** Armstrong, PA
- **Operator:** Rosebud Mining Company
- **Controller:** J Clifford  Forrest III
- **Public source rows linked:** 520
- **Source coverage:** 14 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**J Clifford  Forrest III (C07485) → Rosebud Mining Company (P09635) → Maintenance Shop (3609137)**

Current identity source: `msha-mines`. This is a current snapshot, not a historical claim.

## Controller and operator valid-time history

- **J Clifford  Forrest III → Rosebud Mining Company:** 2003-04-01 through current/open; derived from co-tenure at mine 3609137; source `msha-controller-operator-history`.

- History rows: 1
- Typed edges: 3
- Interval anomalies: 0
- Valid-time bounds: inclusive; date granularity; null end means open-ended in the upstream history row; not independent proof of present control.
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 19 historical accident/injury rows; 0 coded fatalities and 143 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 40 violation rows across the full record; 12 carry an S&S flag and $4,984 appears in current assessed amounts.
3. **HEALTH — 278 samples:** Occupational health samples 186 coal dust; 92 noise. 0 personal-sample rows have a published C/E ratio above 1; 0 noise rows have an action-level or PEL dose above 100%. These are separate measures, not a silica exceedance count. Silica results and sample status are shown separately.
4. **PRODUCTION — 0 tons:** Quarterly production and employment 15K employee hours and 29 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 23 linked rows:** Contests, conferences and decisions 11 contested-violation rows, 11 civil-penalty docket/decision rows, and 1 conference records linked by issuance number.
6. **CONTRACTORS — 0 linked entities:** Contractors Contractors are linked through this mine’s violation or accident records. Their production and hours cover all their operations, so they are not included in this mine’s totals.
7. **INSPECTIONS — 0 since 2021:** Inspections 45 inspection events and 1K published inspection hours across the historical record.

## EIA annual operating context

No matched record in the 2024 EIA coal-public workbook. This may be inapplicable for a non-coal operation.

## Recent Title 30 crosswalk

Snapshot current through 2026-08-19.

- **30 CFR 77.502 — Electric equipment; examination, testing, and maintenance.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.502
- **30 CFR 48.28 — Annual refresher training of miners; minimum courses of instruction; hours of instruction.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-B/section-48.28
- **30 CFR 48.29 — Records of training.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-B/section-48.29
- **30 CFR 77.1606 — Loading and haulage equipment; inspection and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1606
- **30 CFR 48.31 — Hazard training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-B/section-48.31
- **30 CFR 77.1605 — Loading and haulage equipment; installations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1605
- **30 CFR 50.20 — Preparation and submission of MSHA Report Form 7000-1—Mine Accident, Injury, and Illness Report.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-C/section-50.20
- **30 CFR 77.904 — Identification of circuit breakers.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-J/section-77.904
- **30 CFR 77.401 — Stationary grinding machines; protective devices.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.401
- **30 CFR 48.25 — Training of new miners; minimum courses of instruction; hours of instruction.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-B/section-48.25

## Source coverage

- **Accident, Injuries, and Illnesses:** 19 rows; 2004-03-23 through 2016-12-03; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2017-04-07 through 2017-04-07; source ID `msha-addresses`
- **Assessed Violations:** 40 rows; 2003-04-01 through 2015-05-26; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 11 rows; 2007-09-10 through 2012-08-23; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 186 rows; 2003-09-16 through 2017-02-14; source ID `msha-coal-dust-samples`
- **Conferences:** 1 rows; 2003-05-21 through 2003-05-21; source ID `msha-conferences`
- **Contested Violations:** 11 rows; 2007-03-08 through 2011-10-25; source ID `msha-contested-violations`
- **Controller and Operator History:** 1 rows; 2003-04-01 through 2003-04-01; source ID `msha-controller-operator-history`
- **Inspections:** 45 rows; 2003-03-31 through 2017-02-08; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 56 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 16 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 92 rows; 2003-09-17 through 2017-02-09; source ID `msha-noise-samples`
- **Violations:** 40 rows; 2003-04-01 through 2015-05-26; source ID `msha-violations`

## Caveats

- This is public-record decision support, not legal advice or an official MSHA record.
- Missing data can indicate no event, publication delay, an unresolved identity, or inapplicability.
- Contractor production data is entity-level and is not attributed to this mine.

## Alternate representations

- HTML: `/mines/maintenance-shop-3609137`
- JSON: `/api/v1/mines/maintenance-shop-3609137`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3609137/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3609137/relationships`
- MCP resource: `mine://3609137/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`